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11-24-2012, 02:48 PM
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#1
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DC Crew
Posts: 6
Member #71647
Member since: Apr 2008
Location: Pittsburgh
My Corvette(s)
C5
Thanks: 0
Thanked 0 Times in 0 Posts
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Chime after hard acceleration
Been awhile since I've posted on here....
I was driving on I-5 today and punched it hard from 70 to about 95. A few seconds after I let off the gas, the information center made a chime noise (same noise as when tires are low) but nothing popped up on the info center....
The check engine light is on and has been on for 2 years now because I have longtube headers and high-flow cats. I have also had a diablosport predator tune on it for the past 2 years (4,000 miles or so).
Recently I changed the coolant, but the engine temp was normal so I'm confident thats not the issue.
I'm just not sure why it chimed and if I should be concerned. I think I may need to get rid of the crappy diablosport tune?
Any input would be appreciated.
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11-24-2012, 02:51 PM
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#2
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DC Crew
Posts: 5,574
Member #36463
Member since: Jul 2005
Location: FT. Bragg/Fayetteville, NC
My Corvette(s)
2000 Torch Red/Red Z51 coupe
Thanks: 3
Thanked 37 Times in 31 Posts
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you need to pull your codes and see if anything new popped up.
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ASE Certified Automotive Repair Technician in: Suspension and Steering, Brakes, Electrical/Electronic Systems, and Heating and Air Conditioning
402 LS2- Callies Compstar crank/rods, Wiesco pistons, LG G5X3 114 LSA cam, LS6 heads, Edelbrock Victor water pump, Melling oil pump, Halltech air intake, Granatelli MAF, Jet-Hot coated LG long tube headers, Corsa Tigershark exhaust, AMW catch can, Hotchkis sway bars, Monster Level 3 clutch |
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11-24-2012, 02:53 PM
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#3
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DC Pit Crew Boss
Posts: 22,625
Member #799
Member since: Apr 2003
Location: Western Kentucky
My Corvette(s)
2004 Black/Mod Red-Z06
Thanks: 31
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The first thing to do is pull the codes and see if any are current ones.. Write them all down then try and replicate what you did on !-5 to see if it chimes again. When it does, check the codes again. then we can look into what has happened
Click here for info on pulling codes
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RACING...Because with baseball, football, basketball, tennis, and golf, you only need one ball
I used to think that I had learned patience as I got older. Then I realized that I just didn't give a shit |
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11-24-2012, 07:42 PM
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#4
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DC Crew
Posts: 53,058
Member #1
Member since: Jan 2003
Location: Arizona / USA!
My Corvette(s)
Current: 2003 Convertible .... Previous: 1996, 1996 GS, 2001 vert, 2002 Z06, 2003, 2007 Z51, etc...
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I've never heard any of my C5's chime before and they've thrown plenty-o-codes. Interesting.
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11-24-2012, 09:06 PM
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#5
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Posts: 10,389
Member #36181
Member since: Jun 2005
Location: In a dumpy little building in beautiful downtown Culver City
My Corvette(s)
92 Roadster
Thanks: 187
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....was thank a ding, ding, ding like in the "family feud" show..... 
....probably meant you took your foot off too soon.... 
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11-25-2012, 03:26 AM
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#6
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Posts: 3,737
Member #68058
Member since: Dec 2007
Location: Paris/France
My Corvette(s)
JSB 2008 Coupe
Thanks: 28
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Chime - engine threw a code under heavy load.
Happened to me once on the C6. The issue in my case was a constricted exhaust.
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11-25-2012, 09:50 AM
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#7
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Sir Dude
Posts: 17,310
Member #6081
Member since: Dec 2003
Location: St Joseph MO.
My Corvette(s)
1971 T-Top
Thanks: 35
Thanked 46 Times in 36 Posts
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My C5 did that all the time. I always thought it meant I WON... 
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I can't tell if I'm dealing well with life these days or I just don't give a shit any more. |
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11-25-2012, 10:33 AM
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#8
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Posts: 3,737
Member #68058
Member since: Dec 2007
Location: Paris/France
My Corvette(s)
JSB 2008 Coupe
Thanks: 28
Thanked 30 Times in 26 Posts
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Quote:
Originally Posted by iburke
My C5 did that all the time. I always thought it meant I WON... |
In that case, I assume you thought about disabling the high speed warning chime? 
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11-25-2012, 01:10 PM
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#9
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DC Crew
Posts: 6
Member #71647
Member since: Apr 2008
Location: Pittsburgh
My Corvette(s)
C5
Thanks: 0
Thanked 0 Times in 0 Posts
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Gentlemen, thanks for the responses. Here is what I have ... Most of the codes have to do with electrical. ( I love GM, but in my experience, GM vehicles tend to have more electrical problems than anything else).
10-PCM- P0420 H C (catalyst system low efficiency)
P0430 H C
A6-SCM- B22177 H C (Power seat switch circuit)
I have 16 more codes, but they are all H, and like I said before, I'm pretty sure they're all electrical and non-essential stuff like seat controls and radio. So for the sake of brevity I'll leave those off of this post unless someone thinks they're necessary to see.
As far as those PCM codes, a good tuner can get rid of those (and the check engine light) for me right? (I realize this has probably been asked 1,000 times before)
Thanks in advance for your help.
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2004 Spiral Grey C5: Corsa Xtreme catback, Kook's longtube headers with high-flow cats, Halltech Stinger intake system, Diablosport Predator tune. |
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11-25-2012, 01:34 PM
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#10
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DC Crew
Posts: 693
Member #46870
Member since: Jun 2006
Location: Mass
My Corvette(s)
77 and 05 S/C
Thanks: 13
Thanked 16 Times in 16 Posts
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Quote:
Originally Posted by SpiralGrey04
Gentlemen, thanks for the responses. Here is what I have ... Most of the codes have to do with electrical. ( I love GM, but in my experience, GM vehicles tend to have more electrical problems than anything else).
10-PCM- P0420 H C (catalyst system low efficiency)
P0430 H C
A6-SCM- B22177 H C (Power seat switch circuit)
I have 16 more codes, but they are all H, and like I said before, I'm pretty sure they're all electrical and non-essential stuff like seat controls and radio. So for the sake of brevity I'll leave those off of this post unless someone thinks they're necessary to see.
As far as those PCM codes, a good tuner can get rid of those (and the check engine light) for me right? (I realize this has probably been asked 1,000 times before)
Thanks in advance for your help.
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I'm not sure about the chime. I have never heard of that before. A good tuner can definitely get rid of your pcm codes that go against your cars performance. He will get your check engine light off, and get the most out of your mods. You might not be getting the most power, because your check engine light is on. Your 10-PCM- P0420 H C (catalyst system low efficiency) code is most likely linked to your check engine light. It might be retarding your timing to deliver less fuel/power. Also a good tuner should do a street tune as well as a dyno tune. I would definitely get it tuned. Good luck.
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1977-stock
2005-A+A Supercharger-Melrose headers-Xpipe-Borla touring mufflers-6psi of alcohol-tuned at Slowhawk Performance-573 RWHP 495 RWTQ-11.4 in the 1/4 at 122 mph spinning 1st and breaking loose in 2nd  need slicks!!!!!
http://www.youtube.com/watch?v=Ia9w-bVmQsQ my burn out at 2:53 |
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